{"title":"用压力浮选法比较同位素富集硅单晶的密度","authors":"A. Waseda, K. Fujii","doi":"10.1109/CPEM.2010.5543621","DOIUrl":null,"url":null,"abstract":"An isotopically enriched silicon crystal is recently available for a new determination of the Avogadro constant. Density comparison measurement is presented for enriched <sup>28</sup>Si crystals by the pressure-of-flotation (PF) method. Relative density difference for <sup>28</sup>Si spheres Avo28-S5 and Avo28-S8 is evaluated to be (2.6±0.9)×10<sup>−8</sup>.","PeriodicalId":222495,"journal":{"name":"CPEM 2010","volume":"13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Density comparison of isotopically enriched silicon single crystals by the pressure-of-flotation method\",\"authors\":\"A. Waseda, K. Fujii\",\"doi\":\"10.1109/CPEM.2010.5543621\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An isotopically enriched silicon crystal is recently available for a new determination of the Avogadro constant. Density comparison measurement is presented for enriched <sup>28</sup>Si crystals by the pressure-of-flotation (PF) method. Relative density difference for <sup>28</sup>Si spheres Avo28-S5 and Avo28-S8 is evaluated to be (2.6±0.9)×10<sup>−8</sup>.\",\"PeriodicalId\":222495,\"journal\":{\"name\":\"CPEM 2010\",\"volume\":\"13 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-06-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"CPEM 2010\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CPEM.2010.5543621\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"CPEM 2010","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPEM.2010.5543621","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Density comparison of isotopically enriched silicon single crystals by the pressure-of-flotation method
An isotopically enriched silicon crystal is recently available for a new determination of the Avogadro constant. Density comparison measurement is presented for enriched 28Si crystals by the pressure-of-flotation (PF) method. Relative density difference for 28Si spheres Avo28-S5 and Avo28-S8 is evaluated to be (2.6±0.9)×10−8.
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